This selects the addressing scheme used for framing packets over the satellite HDLC link -- a 1-byte address space supporting up to 254 remotes, a 2-byte space supporting up to roughly 32,766 remotes, or a dedicated point-to-point link needing no addressing scheme at all. This is the satellite-link-side counterpart to the overall router working mode configured elsewhere and must be set consistently with it, since selecting pointToPointMode(3) here effectively makes the individual per-demodulator HDLC addresses elsewhere on this unit irrelevant. For example, choosing smallNetworkMode(1) here matches a network with fewer than 254 remote sites, while a larger deployment would require largeNetworkMode(2) instead to have enough address space for every remote.